Bismuth based Lead-Free Brass Alloys

An environmentally friendly brass alloy that replaces lead with bismuth to improve machinability in compliance with international environmental regulations

Application

Drinking water components, sanitary fixtures, and eco-friendly industrial applications.

Range Of Production

Shape

Extruded rods(mm)

Drawn rods(mm)

Length

Round

20 ~ 120

2 ~ 71

Over 2 meters

(Additional cutting process required for lengths below 2 meters)

Square

14 ~ 80

5 ~ 50

Hexagonal

14 ~ 90

4 ~ 66

Hollow

Available upon request

Packaging Conditions

Bi무연봉.jpg

Domestic Sales

- MOQ: 400 KGS

- PP band strapping, Products with diameters below 12 mm are packed in 25 kg bundles and then bulk-packed

Export Sales

- MOQ: 400KG

- Available in wooden crates or paperboard packaging (500 kg / 1,000 kg)

- Wooden Crate Packaging : Standard packaging + polyethylene wrapping + steel banding

- Paperboard Packaging: Standard packaging + paperboard outer packaging

Handling Specifications and Materials

Chemical Composition

Alloys

Standard

Chemical composition,wt.%

Cu

Pb

Fe

Sn

Cd

Si

P

Bi

Zn

C4926

KS

58.0-63.0

0.09↓

0.50↓

0.50↓

0.001↓

0.10↓

0.05-0.15

0.5-1.8

Rem.

C6801

JIS

57.0-64.0

0.01↓

0.50↓

0.1-2.5

0.0075↓

-

0.20↓

0.5-4.0

Rem.

C6802

JIS

57.0-64.0

0.09↓

0.70↓

1.0-3.0

0.0075↓

-

0.20↓

0.5-4.0

Rem.

Dimensional Tolerances(mm)

Standard

Drawn rods

Diameter

Tolerance(Round)

Tolerance(Other Shapes)

KS/JIS

2 ~ 3

±0.03

±0.05

3.01 ~ 6

±0.04

±0.06

6.01 ~ 10

±0.04

±0.08

10.01 ~ 20

±0.06

±0.11

20.01 ~ 35

±0.08

±0.18

35.01 ~ 50

±0.10

±0.25

50.01 ~

±0.3%

±0.6%

ASTM

~3.81

±0.033

±0.063

3.82~12.7

±0.038

±0.076

12.71~25.4

±0.050

±0.101

25.41~50.8

±0.063

±0.127

50.81~

±0.15%

±0.30%

EN

1 ~ 3

-0.04

-0.06

3.01 ~ 6

-0.05

-0.08

6.01 ~ 10

-0.06

-0.09

10.01 ~ 18

-0.07

-0.11

18.01 ~ 30

-0.08

-0.13

30.01 ~ 50

-0.16

-0.16

50.01 ~ 80

-0.19

-0.19

Standard

Extruded Rods

Diameter

Tolerance(Round)

Tolerance(Other Shapes)

KS/JIS

6 ~ 30

±0.3

30.01 ~

±1.0%

ASTM

~25.4

±0.25

25.41 ~ 50.8

±0.38

50.81 ~ 76.2

±0.63

76.21 ~ 88.9

±0.88

88.91 ~ 101.6

±1.52

EN

6 ~ 9.99

±0.20

10 ~ 17.99 

±0.25

18 ~ 29.99

±0.30

30 ~ 49.99

±0.60

50 ~ 79.99

±0.70